| Merrifield to Mattoon (Illinois) | 596.68 mi (960.26 km) |
| Merrifield to Mauldin (South Carolina) | 397.64 mi (639.95 km) |
| Merrifield to Maumee (Ohio) | 386.45 mi (621.94 km) |
| Merrifield to Maumelle (Arkansas) | 881.48 mi (1,418.60 km) |
| Merrifield to Mayagüez (Puerto Rico) | 1,551.86 mi (2,497.48 km) |
| Merrifield to Mayfield Heights (Ohio) | 287.63 mi (462.90 km) |
| Merrifield to Mays Chapel (Maryland) | 50.06 mi (80.57 km) |
| Merrifield to Maywood (California) | 2,281.80 mi (3,672.21 km) |
| Merrifield to Maywood (Illinois) | 594.93 mi (957.45 km) |
| Merrifield to McAlester (Oklahoma) | 1,057.50 mi (1,701.88 km) |
| Merrifield to McAllen (Texas) | 1,497.22 mi (2,409.55 km) |
| Merrifield to McCalla (Alabama) | 667.79 mi (1,074.71 km) |
| Merrifield to McComb (Mississippi) | 913.65 mi (1,470.38 km) |
| Merrifield to McDonough (Georgia) | 537.67 mi (865.30 km) |
| Merrifield to McFarland (California) | 2,299.29 mi (3,700.36 km) |
